5400503 has 4 divisors (see below), whose sum is σ = 5684760. Its totient is φ = 5116248.

The previous prime is 5400457. The next prime is 5400511. The reversal of 5400503 is 3050045.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5400503 - 2¹⁸ = 5138359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5400523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142100 + ... + 142137.

It is an arithmetic number, because the mean of its divisors is an integer number (1421190).

Almost surely, 2^5400503 is an apocalyptic number.

5400503 is a deficient number, since it is larger than the sum of its proper divisors (284257).

5400503 is a wasteful number, since it uses less digits than its factorization.

5400503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284256.

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 5400503 is about 2323.8982335722. The cubic root of 5400503 is about 175.4465114604.

Adding to 5400503 its reverse (3050045), we get a palindrome (8450548).

The spelling of 5400503 in words is "five million, four hundred thousand, five hundred three".